&magicnumber=25&category1=Cell Membrane&category2=Early Earth and Cells&category3=Passive Transport&category4=Active Transport&category5=Active vs Passive Transport&question1=What is the function of the cell membrane?&question2=Why does the cell membrane have two layers?&question3=Which end of a phospholipid is hydrophilic?&question4=Which end of the phospholipid is nonpolar?&question5=What is the function of the carbohydrates attached to the proteins on the outside of the membrane?&question6=What are the two categories of cells depending on whether they have a nucleus?&question7=Which type of cells contain a nucleus?&question8=What is the thin flexible barrier around the cell?&question9=What gas was not present in the atmosphere of early earth?&question10=What do cells take in food and water and eliminate wastes through?&question11=What is diffusion?&question12=What is osmosis?&question13=How does the concentration of substances compare inside and outside of a cell in an isotonic situation?&question14=Which direction does water move when a cell is placed into fresh water?&question15=When the concentration of a solute is the same throughout a solution, it is in a state of&question16=What does active transport require?&question17=Does active transport go with or against the concentration gradient?&question18=What type of transport sends large molecules out of the cell?&question19=What is the process of liquids taken into a cell called?&question20=Which process does an organism use to move large molecules into a cell?&question21=Which type of transport requires energy?&question22=Which type of transport does not require transport proteins or energy?&question23=Which type of transport moves substances against the concentration gradient?&question24=Which type of transport uses protein channels but does not require energy?&question25=How do proteins function in active transport?&answer1=Regulates what enters and leaves the cell.&answer2=because water is both inside and outside the cell&answer3=the head&answer4=the tail&answer5=aid in cell to cell recognition&answer6=Prokaryotes and Eukaryotes&answer7=eukaryotes&answer8=cell membrane&answer9=Oxygen&answer10=cell membrane&answer11=the movement of particles from an area of high concentration to an area of low concentration&answer12=the diffusion of water across a selectively permeable membrane.&answer13=they are the same concentration&answer14=into the cell&answer15=equilibrium&answer16=energy&answer17=against&answer18=exocytosis&answer19=pinocytosis&answer20=endocytosis&answer21=Active&answer22=Simple diffusion&answer23=Active Transport&answer24=Facilitated Diffusion&answer25=They pump molecules against the concentration gradient.&value1=10&value2=20&value3=30&value4=40&value5=50&value6=10&value7=20&value8=30&value9=40&value10=50&value11=10&value12=20&value13=30&value14=40&value15=50&value16=10&value17=20&value18=30&value19=40&value20=50&value21=10&value22=20&value23=30&value24=40&value25=50&finalquestion=When a substance is completely diffused, what is no longer present?&finalanswer=a concetration gradient&gamename=Game #&postthis=&loadresult=Load Success!